ARTICLE VIII. NATIONAL ELECTRICAL CODE

Sec. 8-800. Adopted; where filed; amendments.

(a) That certain document known as the "National Electrical Code, 1996 Edition," which has been published as a code in book form by the National Fire Protection Association entitled "National Electrical Code, N.F.P.A. No. 70-1996 Edition," Article 90 and chapters one through eight, three (3) copies with amendments of which are on file in the office of the city clerk, and this same code is hereby referred to, adopted and made a part hereof, as if fully set out in this article.

(b) The provisions of this article, other than subsections (a) and (b) of this section, are amendments to the National Electrical Code as now or hereafter adopted in subsection (a). All sections in this article, other than subsections (a) and (b) of this section, shall be considered to be both a part of this code and a part of the National Electrical Code.

(Ord. No. 2005.89, 12-1-05)

Charter reference—Adoption by reference, § 2.14.

State law reference—Adoption by reference, A.R.S. § 9-801 et seq.

Sec. 110-7. Insulation integrity.

Section 110-7 is hereby amended as follows:

Section 110-7. Insulation integrity. All wiring and electric equipment shall be so installed that, when completed, the system will be free from short circuits and from grounds other than as required or permitted in article 250.

All equipment rated at one thousand (1,000) amperes or more shall be tested in conformance with UL Standard 869 or 891 for insulation breakdown prior to its being energized. This test shall be performed by an independent testing facility or agency approved by the authority having jurisdiction.

(Ord. No. 2005.89, 12-1-05)

Sec. 110-16. Working space about electric equipment (600 volts, nominal, or less).

Section 110-16(c) is hereby amended as follows:

Section 110-16(c). Access and entrance to working space. At least one entrance of sufficient area shall be provided to give access to the working space about electric equipment.

For equipment rated one thousand two hundred (1,200) amperes or more and over six (6) feet (1.83 m) wide, containing overcurrent devices, switching devices, or control devices, there shall be one entrance not less than twenty-four (24) inches (610 mm) wide and six and one-half (6-1/2) feet (1.98 m) high at each end.

EXCEPTION NO. 1: Where the location permits a continuous and unobstructed way of exit travel, one means of exit shall be permitted.

EXCEPTION NO. 2: Where the work space required by Section 110-16(a) is doubled, only one entrance to the working space is required, and it shall be located so that the edge of the entrance nearest the equipment is the minimum clear distance given in Table 110-16(a) away from such equipment.

All room(s) or space(s) as described in Section 110-16(a), dedicated to electric equipment, shall have all door(s) open outward. Such door(s) shall be a minimum of twenty-four (24) inches (610 mm) wide and six and one-half (6-1/2) feet (1.98 m) high.

For electric equipment having hinged door(s) or panel(s), a clear means of egress shall be provided when door(s) or panel(s) are open in any position. Such means of egress shall not be less than twenty-four (24) inches (610 mm) in width.

(Ord. No. 2005.89, 12-1-05)

Sec. 110-33. Entrance and access to work space.

Section 110-33(a) is hereby amended as follows:

Section 110-33(a). Entrance. At least one entrance not less than twenty-four (24) inches (610 mm) wide and six and one-half (6-1/2) feet (1.98 m) high shall be provided to give access to the working space about electric equipment.

On switchboard and control panels exceeding six (6) feet (1.83 m) in width, there shall be one entrance at each end of such board.

EXCEPTION NO. 1: Where the switchboards and control panels location permits a continuous and unobstructed way of exit travel.

EXCEPTION NO. 2: Where the work space required in Section 110-34(a) is doubled.

Working space with one entrance provided shall be so located that the edge of the entrance nearest the switchboards and control panels is the minimum clear distance given in Table 110-34(a) away from such equipment.

All room(s) or space(s) as described in Section 110-34(a), dedicated to electric equipment, shall have all door(s) open outward. Such door(s) shall be a minimum of twenty-four (24) inches (610 mm) wide and six and one half (6-1/2) feet (1.98 m) high.

For electric equipment having hinged door(s) or panel(s), a clear means of egress shall be provided when door(s) or panel(s) are open in any position. Such clear means of egress shall not be less than twenty-four (24) inches (610 mm) in width.

Where bare energized parts at any voltage or insulated energized parts above six hundred (600) volts, nominal, to ground are located adjacent to such entrance, they shall be suitably guarded.

(Ord. No. 2005.89, 12-1-05)

Sec. 210-5. Color code for branch circuits.

Section 210-5(c) is hereby added as follows:

Section 210-5(c). Color code. Where fifteen (15), twenty (20), or thirty (30) ampere branch circuits requiring a neutral, are installed in raceways, the conductors of branch circuits connected to the same system shall conform to the following color code:

Volts	Phase	System	Phase A	Phase B	Phase C	Neutral
120/208	3	Wye	Black	Red	Blue	White
277/480	3	Wye	Brown	Orange	Yellow	Gray
120/240	3	Delta	Black	Orange	Blue or Red	White

Exception No. 1: The above color coding is not required in residential occupancies.

Exception No. 2: Industrial occupancies holding their own maintenance license may use their own color coding system.

Exception No. 3: Conductors of listed cable assemblies shall be permitted to be permanently re-identified at the time of installation by distinctive markings at each outlet or termination where the conductor is visible and accessible; such as, six (6) inch taping or other effective means.

Exception No. 4: Additions to an existing electrical system, where an acceptable color coding system exists, the existing color coding system shall be continued.

(Ord. No. 2005.89, 12-1-05)

Sec. 210-8. Ground-fault circuit-interrupter protection for personnel.

Section 210-8(a) is hereby amended as follows:

Section 210-8(a). All occupancies. All one hundred twenty-five (125) volt, single-phase, fifteen (15) and twenty (20) ampere receptacles installed in the locations specified below shall have ground-fault circuit-interrupter protection for personnel.

(1) Bathrooms.

(2) Garages and grade-level portions of unfinished accessory buildings used for storage or work areas.

EXCEPTION NO. 1: Receptacles that are not readily accessible.

EXCEPTION NO. 2: A single receptacle or a duplex receptacles for two (2) appliances located within dedicated space for each appliance that in normal use is not easily moved from one place to another, and that is cord- and plug-connected in accordance with Section 400-7(a)(6), (a)(7), or (a)(8).

Receptacles installed under exceptions to Section 210-8(a)(2) shall not be considered as meeting the requirements of Section 210-52(g).

(3) Outdoors.

EXCEPTION: Receptacles that are not readily accessible and are supplied from a dedicated branch circuit for electric snow-melting or deicing equipment as covered in article 426 shall be permitted to be installed without ground-fault circuit-interrupter protection for personnel.

(4) Crawl spaces. Where the crawl space is at or below grade level.

(5) Unfinished basements. For purposes of this section, unfinished basements are defined as portions or areas of the basement not intended as habitable rooms and limited to storage areas, work areas, and the like.

EXCEPTION NO. 1: Receptacles that are not readily accessible.

EXCEPTION NO. 2: A single receptacle or a duplex receptacle for two (2) appliances located within dedicated space for each appliance that in normal use is not easily moved from one place to another, and that is cord- and plug-connected in accordance with Section 400-7(a)(6), (a) (7), or (a)(8).

Receptacles installed under exceptions to Section 210-8(a)(5) shall not be considered as meeting the requirements of Section 210-52(g).

(6) Kitchens. Where the receptacles are installed to serve the countertop surfaces.

(7) Wet bar sinks. Where the receptacles are installed to serve the countertop surfaces and are located within six (6) feet (1.83 m) of the outside edge of the wet bar sink.

(8) Within six (6) feet (1.83 m) of any sink, wash basin, tub, or shower.

(Ord. No. 2005.89, 12-1-05)

Sec. 220-3. Computation of branch circuits.

Section 220-3(c) is hereby amended by adding subsection 8 after Exception 5. as follows:

(8) For purposes of calculations and installation requirements, the following loads and branch circuit requirements may be used where the actual nameplate rating is not available.

	LOAD	CONDUCTOR AMPACITY	SINGLE PHASE NOMINAL VOLTAGE
Electric Clothes Dryer	5000 VA	30 Ampere	(120/240V)
Water Heater	4500 VA	30 Ampere	(240V)
Dishwasher	1500 VA	20 Ampere	(120V)
Garbage Disposal	720 VA	20 Ampere	(120V)
Evaporative Cooler	1200 VA	20 Ampere	(120V)
Compactor	1500 VA	20 Ampere	(120V)
Wall Mounted Oven Or Counter Mounted Cooking Units	6000 VA	30 Ampere